max7221.h

LCD1602.rar

#ifndef _9_19_
#define _9_19_
					
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int

sbit din = P2^0;
sbit load  = P2^1;
sbit clk = P2^2;


void csh()
{
	load=1;
	clk=1;
	din=1;
}

void write(char com,char da)
{
	uchar temp,i,j;
	load=0;
	clk=0;
	for(i=0;i<8;i++)
		{
		temp=com;
		if((temp&(0x80>>i))!=0)
			din=1;
		else din=0;
		clk=1;
		for(j=0;j<5;j++);
		clk=0;
		}
	 for(i=0;i<8;i++)
		{
		temp=da;
		if((temp&(0x80>>i))!=0)
			din=1;
		else din=0;
		clk=1;
		for(j=0;j<5;j++);
		clk=0;
		}
	 load=1;
}
#endif